Manganese ferrite magnetic nanoparticle, preparation method and application thereof
US-2026024686-A1 · Jan 22, 2026 · US
containing rare earths, e.g. (La1-xCax)MnO3 or LaMnO3
containing rare earths, e.g. (La1-xCax)MnO3 or LaMnO3 · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01G45/1264 |
| Official title | containing rare earths, e.g. (La1-xCax)MnO3 or LaMnO3 |
| Display label | containing rare earths, e.g. (La1-xCax)MnO3 or LaMnO3 |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High temperature oxide-based system for thermoelectric sensor applications
US-12490654-B2 · Dec 2, 2025 · US
Aqueous solutions, methods of manufacturing the same and uses thereof
US-2025333324-A1 · Oct 30, 2025 · US
Oxygen reduction reaction catalyst and methods of synthesizing the same
US-2025079473-A1 · Mar 6, 2025 · US
Manganese oxide, manganese oxide particles, near-infrared transmission material, and near-infrared transmission film
US-2024400406-A1 · Dec 5, 2024 · US
Hydrogen-selective oxygen carrier materials and methods of use
US-12151233-B2 · Nov 26, 2024 · US
Perovskite-type composite oxide powder and air electrode for solid oxide fuel cell and solid oxide fuel cell using the same
US-2024266552-A1 · Aug 8, 2024 · US
Perovskite material, method of preparing the same, and secondary battery including the perovskite material
US-12009514-B2 · Jun 11, 2024 · US
Methods of producing hydrogen-selective oxygen carrier materials
US-11794181-B2 · Oct 24, 2023 · US
Cathode, lithium-air battery comprising the same, and method of preparing the cathode
US-11764364-B2 · Sep 19, 2023 · US
Negative thermal expansion material, negative thermal expansion film and preparation method thereof
US-11396454-B2 · Jul 26, 2022 · US
Ceramic member and electronic device
US-11387021-B2 · Jul 12, 2022 · US
Mixed conductor, electrochemical device including the same, and preparation method of mixed conductor
US-11374274-B2 · Jun 28, 2022 · US
Redox-active oxide materials for thermal energy storage
US-11339766-B2 · May 24, 2022 · US
Negative thermal expansion material, negative thermal expansion film and preparation method thereof
US-2021331936-A1 · Oct 28, 2021 · US
Hydrogen-selective oxygen carrier materials and methods of use
US-2021317004-A1 · Oct 14, 2021 · US
Cathode, lithium-air battery comprising the same, and method of preparing the cathode
US-2021257628-A1 · Aug 19, 2021 · US
Methods of producing hydrogen-selective oxygen carrier materials
US-2021245146-A1 · Aug 12, 2021 · US
Preparation and characterization of modified oxide compositions
US-11075379-B2 · Jul 27, 2021 · US
High temperature oxide-based system for thermoelectric sensor applications
US-2021098675-A1 · Apr 1, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G45/1264?
- CPC C01G45/1264 is the Cooperative Patent Classification code for “containing rare earths, e.g. (La1-xCax)MnO3 or LaMnO3.”
- How many patents are filed under CPC C01G45/1264 (containing rare earths, e.g. (La1-xCax)MnO3 or LaMnO3)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC C01G45/1264 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).